//:C02:exec_2_4.c
#include<stdio.h>
void output(void);
void output2(void);
int main(void)
{
    output();
    output();
    output();
    output2();
}

void output(void)
{
    printf("For he's jolly good fellow!\n");
}

void output2(void)
{
    printf("Which nobody can deny!\n");
}